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1/*2 * Copyright © 2006 Keith Packard3 * Copyright © 2007-2008 Dave Airlie4 * Copyright © 2007-2008 Intel Corporation5 * Jesse Barnes <jesse.barnes@intel.com>6 *7 * Permission is hereby granted, free of charge, to any person obtaining a8 * copy of this software and associated documentation files (the "Software"),9 * to deal in the Software without restriction, including without limitation10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,11 * and/or sell copies of the Software, and to permit persons to whom the12 * Software is furnished to do so, subject to the following conditions:13 *14 * The above copyright notice and this permission notice shall be included in15 * all copies or substantial portions of the Software.16 *17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR23 * OTHER DEALINGS IN THE SOFTWARE.24 */25 26/*27 * The DRM mode setting helper functions are common code for drivers to use if28 * they wish. Drivers are not forced to use this code in their29 * implementations but it would be useful if they code they do use at least30 * provides a consistent interface and operation to userspace31 */32 33#ifndef __DRM_CRTC_HELPER_H__34#define __DRM_CRTC_HELPER_H__35 36#include <linux/types.h>37 38struct drm_atomic_state;39struct drm_connector;40struct drm_crtc;41struct drm_device;42struct drm_display_mode;43struct drm_encoder;44struct drm_framebuffer;45struct drm_mode_set;46struct drm_modeset_acquire_ctx;47 48void drm_helper_disable_unused_functions(struct drm_device *dev);49int drm_crtc_helper_set_config(struct drm_mode_set *set,50 struct drm_modeset_acquire_ctx *ctx);51bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,52 struct drm_display_mode *mode,53 int x, int y,54 struct drm_framebuffer *old_fb);55int drm_crtc_helper_atomic_check(struct drm_crtc *crtc,56 struct drm_atomic_state *state);57bool drm_helper_crtc_in_use(struct drm_crtc *crtc);58bool drm_helper_encoder_in_use(struct drm_encoder *encoder);59 60int drm_helper_connector_dpms(struct drm_connector *connector, int mode);61 62void drm_helper_resume_force_mode(struct drm_device *dev);63int drm_helper_force_disable_all(struct drm_device *dev);64 65#endif66